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Patent Number Title Of Patent Date Issued
4890144 Integrated circuit trench cell Dec. 26, 1989
4890143 Protective clamp for MOS gated devices Dec. 26, 1989
4890142 Power MOS transistor structure Dec. 26, 1989
4890141 CMOS device with both p+ and n+ gates Dec. 26, 1989
4890140 Image fixing apparatus Dec. 26, 1989
4890139 Image forming apparatus Dec. 26, 1989
4890138 Image forming apparatus having a plurality of developing devices Dec. 26, 1989
4890137 Image projection device for use in slit exposure optical system Dec. 26, 1989
4890136 Ventilating system for diazo process printing machines Dec. 26, 1989
4890135 Photoconductive drum cleaning apparatus Dec. 26, 1989
4890134 Photographic information setting device for a camera Dec. 26, 1989
4890133 Autofocus camera Dec. 26, 1989
4890132 Manual control apparatus of zoom lens barrel for an auto focus camera Dec. 26, 1989
4890131 Automatic film processors Dec. 26, 1989
4890130 Lens-fitted photographic film package Dec. 26, 1989
4890129 Exposure control device Dec. 26, 1989
4890128 Shock absorber for a bow mounted camera Dec. 26, 1989
4890127 Signed digit adder circuit Dec. 26, 1989
4890126 Printing head for ink jet printer Dec. 26, 1989
4890125 Image forming apparatus for controlling image forming operation in accordance with state of char... Dec. 26, 1989
4890124 Printing apparatus utilizing an electric field applied between a charge storage layer on a trans... Dec. 26, 1989
4890123 Print cartridge Dec. 26, 1989
4890122 Method and apparatus for increasing inking resolution in an ink mosaic recording device Dec. 26, 1989
4890121 Halftone image printing device Dec. 26, 1989
4890120 Thermal transfer type printing device capable of selecting ink sheets Dec. 26, 1989
4890119 Variable orientation ink catcher Dec. 26, 1989
4890118 Compensated microwave feed horn Dec. 26, 1989
4890117 Antenna and waveguide mode converter Dec. 26, 1989
4890116 Low profile, broad band monopole antenna Dec. 26, 1989
4890115 Magnetic antenna Dec. 26, 1989
4890114 Antenna for a portable radiotelephone Dec. 26, 1989
4890113 Second time around clutter cancellation system Dec. 26, 1989
4890112 Time multiplexed radar link Dec. 26, 1989
4890111 Passive transponder Dec. 26, 1989
4890110 Microwave landing system Dec. 26, 1989
4890109 Lightweight, broadband, pulsed, frequency agile, self-screening jammer for airborne deployment Dec. 26, 1989
4890108 Multi-channel remote control transmitter Dec. 26, 1989
4890107 Analogue-to-digital converter Dec. 26, 1989
4890106 Apparatus and methods for digital-to-analog conversion using modified LSB switching Dec. 26, 1989
4890105 Step data processor for 180X and 90X compass synchro data Dec. 26, 1989
4890104 Electronic map display system for use on vehicle Dec. 26, 1989
4890103 Rate-of-climb indicator Dec. 26, 1989
4890102 Visual display for communication network monitoring and troubleshooting Dec. 26, 1989
4890101 Apparatus for addressing active displays Dec. 26, 1989
4890100 Picture processing apparatus including a dual port memory Dec. 26, 1989
4890099 Signal analyzer having partially scrolling function for display screen Dec. 26, 1989
4890098 Flexible window management on a computer display Dec. 26, 1989
4890097 Active matrix circuit for liquid crystal displays Dec. 26, 1989
4890096 Coordinate input device with display Dec. 26, 1989
4890095 Circuit arrangement for automatically monitoring several analog electric signals Dec. 26, 1989










 
 
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